Sulcorebutia callichroma var. longispina (Slaba & Šorma) J.de Vries in Succulenta (Netherlands) 91: 64. 2012
Sulcorebutia callichroma var. longispina in Succulenta (Netherlands) 91: 64. 2012
is new combination for Sulcorebutia pulchra var. longispina in Kaktusy (Brno) 43(1): 13. 2007